%% You should probably cite rfc2674 instead of this I-D.
@techreport{ietf-bridge-bridgemib-06,
    number =    {draft-ietf-bridge-bridgemib-06},
    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-bridge-bridgemib/06/},
    author =    {Les Bell and Andrew H. Smith and Keith McCloghrie and Anil Rijhsinghani and Paul Langille},
    title =     {{Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering and Virtual LAN Extensions}},
    pagetotal = 86,
    year =      1999,
    month =     jun,
    day =       15,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in TCP/IP based internets. {[}STANDARDS-TRACK{]}},
}