%% You should probably cite rfc7179 instead of this I-D.
@techreport{ietf-trill-rbridge-extension-05,
    number =    {draft-ietf-trill-rbridge-extension-05},
    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-trill-rbridge-extension/05/},
    author =    {Donald E. Eastlake 3rd and Anoop Ghanwani and Vishwas Manral and Yizhou Li and Caitlin Bestler},
    title =     {{Transparent Interconnection of Lots of Links (TRILL): Header Extension}},
    pagetotal = 12,
    year =      2012,
    month =     jun,
    day =       20,
    abstract =  {The IETF Transparent Interconnection of Lots of Links (TRILL) base protocol (RFC 6325) specifies minimal hooks to safely support TRILL Header extensions. This document specifies an initial extension providing additional flag bits and specifies some of those bits. It updates RFC 6325.},
}