@misc{cryptoeprint:2021:443,
    author = {Cholun Kim},
    title = {Constructing a pairing-free certificateless proxy signature scheme  from ECDSA},
    howpublished = {Cryptology ePrint Archive, Report 2021/443},
    year = {2021},
    url = {https://eprint.iacr.org/2021/443},
}