%% You should probably cite rfc8983 instead of this I-D.
@techreport{ietf-ipsecme-ipv6-ipv4-codes-06,
    number =    {draft-ietf-ipsecme-ipv6-ipv4-codes-06},
    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-ipv6-ipv4-codes/06/},
    author =    {Mohamed Boucadair},
    title =     {{Internet Key Exchange Protocol Version 2 (IKEv2) Notification Status Types for IPv4/IPv6 Coexistence}},
    pagetotal = 7,
    year =      2020,
    month =     dec,
    day =       17,
    abstract =  {This document specifies new Internet Key Exchange Protocol Version 2 (IKEv2) notification status types to better manage IPv4 and IPv6 coexistence by allowing the responder to signal to the initiator which address families are allowed. This document updates RFC 7296.},
}