%% You should probably cite rfc6987 instead of this I-D.
@techreport{ietf-ospf-rfc3137bis-02,
    number =    {draft-ietf-ospf-rfc3137bis-02},
    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-ospf-rfc3137bis/02/},
    author =    {Alvaro Retana and Liem Nguyen and Alex D. Zinin and Russ White and Danny R. McPherson},
    title =     {{OSPF Stub Router Advertisement}},
    pagetotal = 7,
    year =      2012,
    month =     jul,
    day =       16,
    abstract =  {This document describes a backward-compatible technique that may be used by OSPF (Open Shortest Path First) implementations to advertise unavailability to forward transit traffic or to lower the preference level for the paths through such a router.},
}