Passphrase Generator

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

any delayed holiday shelterred our pleased lace
your greedy hearing surprised her wooden foot
his odd story missed my improbable drug
any dimwitted stop dumped our necessary shock
his belated death loved your paltry tongue
her obese turn improved his elementary parent
his giddy car guided one conventional berry

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

unawarecroakedultimatestop
angelicbeggedgorgeouspollution
washtriedpertinentcreature
easyfoldedworthlesstoys
stricttracedsombercurrent
waybestowedquietgrain
bumpypermittedsquareplate