%% You should probably cite rfc4382 instead of this I-D.
@techreport{ietf-l3vpn-mpls-vpn-mib-07,
    number =    {draft-ietf-l3vpn-mpls-vpn-mib-07},
    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-l3vpn-mpls-vpn-mib/07/},
    author =    {Harmen van der Linde and Thomas Nadeau},
    title =     {{MPLS/BGP Layer 3 Virtual Private Network (VPN) Management Information Base}},
    pagetotal = 44,
    year =      2005,
    month =     apr,
    day =       7,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes managed objects to configure and/or monitor Multiprotocol Label Switching Layer-3 Virtual Private Networks on a Multiprotocol Label Switching (MPLS) Label Switching Router (LSR) supporting this feature. {[}STANDARDS-TRACK{]}},
}