A possible list of Fireworks Display in Dubai for 2012 New Year Eve:
Fireworks @ Burj Khalifa – Dubai (Dubai Mall if you want closer view or you can go to nearby places such as Jumeirah, Safa area, Business Bay or Al Quoz to get a perfect glimpse of fireworks)
Fireworks Show @ Burj Al Arab – best viewed if you are in or near Burj Al Arab / Jumeirah Beach hotel and from the open beach besides Jumeirah Beach Hotel Duration will be for 15 minutes and start at 12:00 midnight.
2012 Fireworks show at Dubai Creek... Can be viewed from Bur Dubai Abra Station or Deira Creek side and Maktoum Bridge.
Fireworks @ Bab al Shams for 2012 New years Fireworks in the Desert.
Various Activities in Global Village for welcoming 2012 and probably a fireworks display also.