the most common emulator is the gens-netplay version which you can get here: http://65.36.133.56/nhl94_draft/gensnetplay.zip
after your game ends, just hit f5 to save the state. then you go to the site, log in, select your game from your schedule of games listed, hit the 'browse' button to browse to the location of your saved state, then finally hit the 'upload' button. wait a few seconds and you should either get a link to the box score or an error message.
are you getting an error or which part are you having trouble with?