Nedeljko Golubovic had a career-high 14 points for Fresno State (10-10 overall, 3-3 Western Athletic Conference), which snapped a two-game losing streak.
C.J. Webster had 15 points and Tim Pierce added 12 for San Jose State (9-10, 2-5). The Spartans shot just 32.3 percent from the field and held a 12-point lead in the first half.
San Jose State lost despite a 54-27 rebounding advantage, including a 26-4 edge on the offensive end.
Miller awoke from a recent shooting slump to finish 7 of 14 from 3-point range. The senior guard went 2 of 11 from beyond the arc in a 69-65 loss at San Jose State on Jan. 17.
Miller hit consecutive 3-pointers early in the second half as the Bulldogs quickly turned a five-point halftime lead into a 42-29 edge, forcing the Spartans to call a timeout with 18:26 remaining.
Fresno State led by as many as 18 points before Mac Peterson's 3-pointer with 10:23 left trimmed the deficit to 54-45.
The Bulldogs responded with an 11-2 scoring run, putting the game away when Bell stole the ball at midcourt and found Miller for an alley-oop dunk.
Miller had 13 points in the first half, pacing Fresno State to a 32-27 lead.
After the Bulldogs trailed by double digits early, Miller and Bell keyed a 27-8 scoring run that included an emphatic dunk by freshman center Brandon Webster.
San Jose State bolted to a 17-5 lead behind strong post play from C.J. Webster before going cold from the perimeter.
The Spartans played their third straight game without leading scorer Justin Graham, who suffered a fractured right elbow Jan. 14 against Hawaii.