%% You should probably cite rfc9637 instead of this I-D.
@techreport{ietf-v6ops-rfc3849-update-00,
    number =    {draft-ietf-v6ops-rfc3849-update-00},
    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-v6ops-rfc3849-update/00/},
    author =    {Geoff Huston and Nick Buraglio},
    title =     {{Expanding the IPv6 Documentation Space}},
    pagetotal = 4,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {The document describes the reservation of an additional IPv6 address prefix for use in documentation. The reservation of a /20 prefix allows documented examples to reflect a broader range of realistic current deployment scenarios.},
}