@misc{cryptoeprint:2016:638,
    author = {Shoichi Hirose and Atsushi Yabumoto},
    title = {A Tweak for a PRF Mode of a Compression Function and Its Applications},
    howpublished = {Cryptology ePrint Archive, Report 2016/638},
    year = {2016},
    url = {https://eprint.iacr.org/2016/638},
}