The easiest way is to dump using a Nintendo DS + a slot-1 cart for said system(that allows to run homebrew applications), then use this: http://gbatemp.net/index.php?showtopic=107151
Or if you've got a EZ Flash linker you could use that too, read more here(yes, it's a ipod touch forum and it'll contain some specific instructions on how to get the games over but obviously you don't need to follow the last few instructions).