You can ask judge to reconsider his/her decision, but chances are slim.
You do not need a special letter to file a notice of appeal. It's actually pretty simple, like this:
Notice of Appeal to a Court of Appeals From a
Judgment or Order of a District Court
United States District Court for the District of New Jersey
File Number: (your district case number)
XXX, Plaintiff )
v. ) Notice of Appeal
MICHAEL CHERTOFF, ET AL., Defendants )
Notice is hereby given that XXX, plaintiff in the above named case, hereby appeals to the United States Court of Appeals for the Third Circuit from the order (describe the order here, i.e granting Defendants’ Motion to Dismiss)entered in this action on the __ day of ______, 2007.
Dated:
(s) ___________________
XXX, Pro Se
Address
You file it in your district court, as you did for your complaint.
Here is the information for appeal process in NJ (3 rd circuit).
http://www.ca3.uscourts.gov/interne...ssuance of Briefing Schedule/PROSEINFOSHT.pdf