Passphrase Generator

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

your marvelous recess taunted his high-level mask
his admirable journey exclaimed her threadbare ants
your minty toothbrush sailed your worthwhile wire
their forthright destruction hailed the honorable crib
any previous star skated one guilty connection
no clean kittens swinged any klutzy voyage
no accomplished street prepared my Spanish bell

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

tendercalculatedprudentsupport
dogpeltedheartfeltjourney
basicpermittednegligiblefeeling
loosefoldeddescriptiverock
glisteningsnickerrednaivecomparison
waveadvisedenchantedplayground
governormatedturbulenteggs