%% You should probably cite draft-ietf-ospf-ipv4-embedded-ipv6-routing instead of this I-D.
@techreport{cheng-ospf-ipv4-embedded-ipv6-routing-03,
    number =    {draft-cheng-ospf-ipv4-embedded-ipv6-routing-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-cheng-ospf-ipv4-embedded-ipv6-routing/03/},
    author =    {Dean Cheng},
    title =     {{Routing for IPv4-Embedded IPv6 Packets}},
    pagetotal = 12,
    year =      2011,
    month =     feb,
    day =       7,
    abstract =  {This document describes routing packets destined to IPv4-embedded IPv6 addresses across IPv6 transit core using OSPFv3 with a separate routing table.},
}