@misc{cryptoeprint:2017:534,
    author = {Zhenzhen Bao and Lei Wang and Jian Guo and Dawu Gu},
    title = {Functional Graph Revisited: Updates on (Second) Preimage Attacks on Hash Combiners},
    howpublished = {Cryptology ePrint Archive, Report 2017/534},
    year = {2017},
    url = {https://eprint.iacr.org/2017/534},
}