While there is no single "official paper" under that exact name, version 3.0.2 of VMware Fusion was a maintenance release focused on compatibility with Mac OS X Snow Leopard and improved performance for Windows guests. If you are drafting a technical paper on this specific version, you may want to focus on its role in the evolution of Mac virtualization.
The VMware Knowledge Base contains archives of issues resolved in the 3.0.2 release.
Despite its age, it remains a case study in optimizing virtual machine monitors (VMMs) for consumer hardware. Helpful Resources for Further Research
1. Introduction
VMware Fusion 3.0.2 served as a foundational release that refined the "Easy Install" process and set the stage for modern, high-performance virtualization.
Introduction of WDDM drivers for Windows 7, allowing for Aero Peek and basic 3D acceleration without the "bloat" of previous virtualization layers.
You can often find legacy release notes on the VMware by Broadcom TechDocs portal.