There is a short section about the cypherpunks in Applied Cryptography ISBN 0471117099, written by Bruce Schneier.
See also Cypherpunk anonymous remailer, crypto-anarchism.
... size is 3.36. In the town the population is spread out with 29.0% under the age of 18, 5.0% from 18 to 24, 29.0% from 25 to 44, 24.2% from 45 to 64, and 12.7% who are 65 ...