This is derived using a weighted average of various advance metrics such as Strength of Record, Game Control, and a few others. It is mostly results based but there are a couple of predictive-based metrics included.

Top 25
1. Georgia
2. Michigan
3. Alabama
4. Iowa
5. Michigan St
6. Cincinnati
7. Penn St
8. Oklahoma
9. Ohio St
10. Oregon
11. Kentucky
12. Texas
13. Ole Miss
14. Arkansas
15. Wake Forest
16. Pittsburgh
17. Florida
18. Oklahoma St
19. Coastal Carolina
20. Clemson
21. Notre Dame
22. Baylor
23. NC State
24. Arizona St
25. BYU

Other notable teams:
40. Virginia
48. Utah
55. Boise St
72. USC
73. Washington St
87. Utah St
108. USF
111. Georgia Southern
124. Arizona

Based on the above rankings, the NY6 would look something like this:

Orange Bowl: 1 Georgia vs 4 Iowa
Cotton Bowl: 2 Michigan vs 3 Alabama

Rose Bowl: 5 Michigan St vs 10 Oregon
Sugar Bowl: 8 Oklahoma vs 11 Kentucky
Peach Bowl: 9 Ohio St vs 15 Wake Forest
Fiesta Bowl: 6 Cincinnati vs 7 Penn St