Passphrase Generator

Entropy: 57.6 bits, equivalent to a 9 characters purely random alpha-numeric password
See http://xkcd.com/936/

some carefree skirt panted their nippy wind
any far-off clocks declared no secret soda
her pale park whined no oily yak
any stiff move stabbed some rewarding frog
your clumsy baby demanded our sparse spade
some numb wealth labeled the harsh pig
my calm plot tossed no mushy voyage

Entropy: 41.3 bits, equivalent to a 6 characters purely random alpha-numeric password

naiveventuredmajornut
zincreturnedbossyloss
unfortunatemoanedyummywalk
immensestampedswelteringgoat
pleasantimmigratedfronthouses
agreementstartedstainedhealth
slavesparedsecretfight