@misc{cryptoeprint:2018:712,
    author = {Dan Boneh and Benedikt B\"unz and Ben Fisch},
    title = {A Survey of Two Verifiable Delay Functions},
    howpublished = {Cryptology ePrint Archive, Report 2018/712},
    year = {2018},
    url = {https://eprint.iacr.org/2018/712},
}