@misc{cryptoeprint:2009:255,
    author = {Ulrich Rührmair},
    title = {SIMPL Systems: On a Public Key Variant of Physical Unclonable Functions},
    howpublished = {Cryptology ePrint Archive, Report 2009/255},
    year = {2009},
    url = {http://eprint.iacr.org/2009/255},
}