"We want to take it [the program] to the next level, the national level," Miller said at her introductory news conference.
Miller starred at USC as player from 1982-86 and then returned to the school as coach from 1993-95, leading the school to a 42-14 mark. She worked under athletic director Mike Garrett at USC and will do so again at Langston.
Langston went 20-13 last season.
As a player, Miller won two titles at USC and topped 3,000 career points. She was a four-time All-American and three-time Naismith College Player of the Year.
Miller also helped the U.S. women's national team win the gold medal at the 1984 Summer Games.
Miller's last coaching experience was in the WNBA, where she posted a 70-52 record with the Phoenix Mercury (1997-2000). She led the Mercury to the 1998 WNBA Finals. She has also been a NBA sideline reporter for TNT for several years.