@misc{cryptoeprint:2019:197,
    author = {Esteban Landerreche and Marc Stevens and Christian Schaffner},
    title = {Non-interactive Cryptographic Timestamping based on Verifiable Delay Functions},
    howpublished = {Cryptology ePrint Archive, Report 2019/197},
    year = {2019},
    url = {https://eprint.iacr.org/2019/197},
}