@misc{cryptoeprint:2013:215,
    author = {Ulrich Rührmair and Christian Hilgers and Sebastian Urban and Agnes Weiershäuser and Elias Dinter and Brigitte Forster and Christian Jirauschek},
    title = {Revisiting Optical Physical Unclonable Functions},
    howpublished = {Cryptology ePrint Archive, Report 2013/215},
    year = {2013},
    url = {http://eprint.iacr.org/2013/215},
}