%% You should probably cite rfc1694 instead of this I-D.
@techreport{ietf-ifmib-sipmib-01,
    number =    {draft-ietf-ifmib-sipmib-01},
    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-ifmib-sipmib/01/},
    author =    {Tracy A. Brown and Kaj Tesink},
    title =     {{Definitions of Managed Objects for SMDS Interfaces using SMIv2}},
    pagetotal = 35,
    year =      1994,
    month =     jun,
    day =       3,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in TCP/IP-based internets. In particular, it defines objects for managing objects for SMDS access interfaces. {[}STANDARDS-TRACK{]}},
}