%% You should probably cite rfc6513 instead of this I-D.
@techreport{ietf-l3vpn-2547bis-mcast-10,
    number =    {draft-ietf-l3vpn-2547bis-mcast-10},
    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-2547bis-mcast/10/},
    author =    {Rahul Aggarwal and Eric C. Rosen},
    title =     {{Multicast in MPLS/BGP IP VPNs}},
    pagetotal = 88,
    year =      2010,
    month =     jan,
    day =       28,
    abstract =  {In order for IP multicast traffic within a BGP/MPLS IP VPN (Virtual Private Network) to travel from one VPN site to another, special protocols and procedures must be implemented by the VPN Service Provider. These protocols and procedures are specified in this document. {[}STANDARDS-TRACK{]}},
}