As a whitemage I would suggest using regen on yourself right before the adds spawns and also keep ya stoneskin up. Also if you are running with a blm in party try having him aoe sleep. Or if not, try sleeping them yourself.... instead of kiting. Less hitting you the better....

As far as kiting, i would say use regen on the tank and then 'sprint'ing around the egde of the area... still close though in case you need to toss a cure 2 to the tank.

Or have the DD limit break (they normally dont or dont know how 2.) Will make it alot faster.