Passphrase Generator

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

any waterlogged swim trimmed our diligent dogs
your high drain recommended any left education
our monumental fall tripped its infinite dock
no big-hearted sisters applauded their prime reaction
their failing eyes checked its lasting haircut
its illustrious ant corrected its grim surprise
her true dirt parked one judicious frog

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

peacecompletedoverjoyedarithmetic
footbehavedknowingbead
crayonpraiedfrequentscrew
badbeggedbruisedpotato
misguidedpaddedhard-to-findshame
locketdialedkosherjar
warmwhirledfastnight