How to build a random number generator circuit? Any good links / tutorials ?
Try this: http://www.cryptography.com/public/pdf/IntelRNG.pdf
Pseudo-random using shift registers with EXOR feedback .
Depending on what you want it for.. use google images to find white noise generator.
I know it's not in the spirit of the question but if you were building some sort of networked device you might be able to get your random numbers from a web site like this.. http://www.random.org/
Gambling machines use fluctuating dark currents to generate random seeds for a pseudorandom number generators.
random.org also a source of random numbers.
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