%% You should probably cite rfc8031 instead of this I-D.
@techreport{ietf-ipsecme-safecurves-04,
    number =    {draft-ietf-ipsecme-safecurves-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-ipsecme-safecurves/04/},
    author =    {Yoav Nir and Simon Josefsson},
    title =     {{Curve25519 and Curve448 for IKEv2 Key Agreement}},
    pagetotal = 7,
    year =      2016,
    month =     aug,
    day =       30,
    abstract =  {This document describes the use of Curve25519 and Curve448 for ephemeral key exchange in the Internet Key Exchange (IKEv2) protocol.},
}