@misc{cryptoeprint:2013:656,
    author = {Robbert van den Berg and Boris Skoric and Vincent van der Leest},
    title = {Bias-based modeling and entropy analysis of PUFs},
    howpublished = {Cryptology ePrint Archive, Report 2013/656},
    year = {2013},
    url = {https://eprint.iacr.org/2013/656},
}