Passphrase Generator

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

the shameless picture tossed its chilly support
one flat price echoed any cruel jail
no queasy flesh protected some weepy distance
no helpless governor caused one mediocre potato
their prickly ladybug sighed our striped downtown
her outlying machine ogled my automatic coat
any ambitious soda stretched some stiff act

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

pushsavedlankycoil
openbarkedfemalewheel
flowerconfessedfakesystem
bandincreasedsnappyghost
potablecrashedausterebread
anglehailedrobustclouds
tallconsiderredcolossaltoy