@misc{cryptoeprint:2015:270,
    author = {Markus Dichtl},
    title = {Fibonacci Ring Oscillators as True Random Number Generators - A Security Risk},
    howpublished = {Cryptology ePrint Archive, Report 2015/270},
    year = {2015},
    url = {https://eprint.iacr.org/2015/270},
}