@misc{cryptoeprint:2015:909,
    author = {Bart Mennink, Bart Preneel},
    title = {On the Impact of Known-Key Attacks on Hash Functions},
    howpublished = {Cryptology ePrint Archive, Report 2015/909},
    year = {2015},
    url = {https://eprint.iacr.org/2015/909},
}