Lucario's DW isn't released yet?
List of released DW,
http://www.serebii.net/blackwhite/dreamworldareas.shtml
http://www.serebii.net/blackwhite/dreamworldpokemon.shtml
If it was already released you are still missing the extra byte in your OT/Misc tab.
Stick with Pokegen and follow this guide for details,
http://projectpokemon.org/forums/showthread.php?14026-Guide-How-to-generate-Gen-V-Pokmon-in-PokGen