Start an exhibition game at the main menu. Then at the team selection screen, press R1, R1, R2, R2, L1, L2, L1, L2 and a fourth option bar will appear. You can choose either the 94/95 All-Star game, or the 95/96 All-Star game by selecting the ALL-STAR option.
Create Player with 100% Attributes
On the create player rating screen, press and hold Left+Select+Square+Circle.