Passphrase Generator

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

the narrow expansion sawed no hasty land
one rewarding toys stepped the outlandish apple
its offbeat cherry laughed one torn reason
its instructive laugh valued no sizzling knot
no tepid doll postulated our fatal banana
my generous zebra bounced some secret engine
my posh jail backed no rotten hands

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

fineformedtreasuredalarm
nonstoppunchedconstantbag
floweryswaiedvictorioushall
corruptwobbledknottyyarn
friendburiedwiryscience
bucketprickedwealthyclocks
gradepressedadorablerailway