Problem when creating EPS file

HELLO all,

I have one problem when create eps file using convert command

Here i have one jpg file “nfr1156581445.jpg” with 300 dpi and 1238X1088 size, but when i try convert command it creates eps file with 72 dpi image

/usr/bin/convert nfr1156581445.jpg 5ep45.ps
I tried also
/usr/bin/convert -quality 100 -density 300 -resize 1238X1088 nfr1156581445.jpg 5ep45.jpg

but same result.
I want eps file with 1238X1088 size and 300 dpi . how can I get this.
Please Help me, if anybody can.
Thanks,
Bejoy