r= x^60 + x^59 - x^57 - x^56 + x^54 + x^53 - x^51 - x^50 + x^48 + x^47 - x^45 - x^44 + x^42 + x^41 - x^39 - x^38 + x^36 + x^35 - x^33 - x^32 + x^30 - x^28 - x^27 + x^25 + x^24 - x^22 - x^21 + x^19 + x^18 - x^16 - x^15 + x^13 + x^12 - x^10 - x^9 + x^7 + x^6 - x^4 - x^3 + x + 1
q= (x^64 - x^63 + x^62 - x^33 - 2*x^32 - x^31 + x^2 + 2*x + 1)/3
P= 3*q_k31method66
v= x
curve_side_security=128
field_side_security=240
gfield_side_security=268
best_results_file=b-k31method66-128-1.txt
best parametes :
21780.     2.660      129.0      240.9      2681.      814.8         320

curve_side_security=192
field_side_security=240
gfield_side_security=268
best_results_file=b-k31method66-192-1.txt
best parametes :
21780.     2.660      129.0      240.9      2681.      814.8         320

curve_side_security=256
field_side_security=257
gfield_side_security=268
best_results_file=b-k31method66-256-1.txt
best parametes :
23900.     3.520      137.4      257.3      3006.      892.6         360