It would appear that all of the rumors have been true, for once.  It seems that Square-Enix is indeed creating a remake of Kingdom Hearts: Coded.  You can check out the details of the game below:

KINGDOM HEARTS Re:coded
Developer: Square Enix Co., Ltd./h.a.n.d. Inc.
Publisher: Square Enix, Inc.
Platforms: Nintendo DS
Genre: Action RPG
ESRB: RP (Rating Pending)
Ship Date: TBD

You can also check out all of Square-Enix’s upcoming games to be displayed at this year’s Electronic Entertainment Expo by visiting this site here.