%% You should probably cite rfc7726 instead of this I-D.
@techreport{ietf-bfd-rfc5884-clarifications-00,
    number =    {draft-ietf-bfd-rfc5884-clarifications-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-bfd-rfc5884-clarifications/00/},
    author =    {Vengada Prasad Govindan and Kalyani Rajaraman and Greg Mirsky and Nobo Akiya and Sam Aldrin},
    title =     {{Clarifications to RFC 5884}},
    pagetotal = 6,
    year =      2015,
    month =     jan,
    day =       15,
    abstract =  {This document clarifies the procedures for establishing, maintaining and removing multiple, concurrent BFD sessions for a given \textless{}MPLS LSP, FEC\textgreater{} described in RFC5884.},
}