Alex Bentley scored 21 and Zhaque Gray 15 for the Lady Lions (25-6), who trailed for much of the first half but led nearly all of the second en route to their second appearance in a row in the second round.
Gloria Brown had 18 points
and 10 rebounds for UTEP (29-3), which had not lost by more than three points all season before running into Penn State, the Big Ten regular-season champion.
Kayla Thornton added 15 and 12 rebounds, and Jenzel Nash scored 13 for the Miners, who led by as many as seven in the first half but fell behind by as much as 14 in the second.
LOUISIANA STATE 64,
SAN DIEGO STATE 56
In Baton Rouge, La., LaSondra Barrett had 17 points and 10 rebounds in her comeback from a concussion, and fifth-seeded Louisiana State held off No. 12 seed San Diego State
Courtney Jones added 13 points and Jeanne Kenney 10 for LSU (23-10), which trailed by six midway through the second half but surged in front for good with a 12-0 run that lasted nearly 7 minutes.
LSU will play fourth-seeded Penn State in the second round.