To calculate dice pools from WoD supplements, use guidelines of what skills and abilities have been collapsed into each other to determine your dice pool. Sub skills and abilities of the ones on your character sheet make excellent specialties, and are the main +1 specialties.
Power: Intellegence, Strength, Presence
Finnesse: Wits, Dexterity, Manipulation
Resistance: Resolve, Stamina, Composure
Academics: Academics, Science
Crafts: Craft, Computer, Medicine
Investigation: Investigation, Occult, Politics
Athletics: Athletics, Drive, Survival
Combat: Brawl, Firearms, Weaponry
Stealth: Larceny, Stealth
Persuasion: Animal Ken, Intimidation, Persuasion
Socialize: Empathy, Expression, Socialize
Streetwise: Streetwise, Subterfuge
Clan Ability Affinities:
Abilities: 12 x new dot
Skills: 9 x new dot
Ability Specialty: 8 points
Skill Specialty: 4 points
Merit: 2 x new dot
Discipline (vampire): 5 x new dot for in clan, 8 x new dot for out of clan.
Discipline (ghoul): 8 x new dot for vigor, celerity or resilience, 10 x new dot for any other discipline.
Blood Potency: 8 x new dot
Humanity: 3 x new dot
Morality: 2 x new dot