%% You should probably cite rfc2788 instead of this I-D.
@techreport{ietf-madman-netsm-mib-06,
    number =    {draft-ietf-madman-netsm-mib-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-madman-netsm-mib/06/},
    author =    {MessagingDirect Inc and Ned Freed},
    title =     {{Network Services Monitoring MIB}},
    pagetotal = 22,
    year =      1999,
    month =     dec,
    day =       23,
    abstract =  {This document defines a MIB which contains the elements common to the monitoring of any network service application. {[}STANDARDS-TRACK{]}},
}