%% You should probably cite rfc8114 instead of this I-D.
@techreport{ietf-softwire-dslite-multicast-02,
    number =    {draft-ietf-softwire-dslite-multicast-02},
    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-softwire-dslite-multicast/02/},
    author =    {Jacni Qin and Mohamed Boucadair and Christian Jacquenet and Yiu Lee and Qian Wang},
    title =     {{Multicast Extensions to DS-Lite Technique in Broadband Deployments}},
    pagetotal = 20,
    year =      2012,
    month =     may,
    day =       4,
    abstract =  {This document specifies a solution for the delivery of multicast service offerings to DS-Lite serviced customers. The proposed solution relies upon a stateless IPv4-in-IPv6 encapsulation scheme and uses the IPv6 multicast distribution tree to deliver IPv4 multicast traffic over an IPv6 multicast-enabled network.},
}